WJEC A-Level Design and Technology Unit 3 Technical Principles overview quiz quiz
18questions. Pick an answer and you'll see why right away.
A shape memory alloy returns to its remembered shape when it is:
Which material changes colour in response to a change in temperature?
In a composite material, the job of the matrix is to:
Gore-Tex is used in outdoor clothing because it is:
Adding a diagonal member to a rectangular frame strengthens it by:
Which force tends to twist a structural member such as a drive shaft?
A driver gear of 20 teeth meshes with a driven gear of 60 teeth. The output is:
A cam and follower mechanism converts rotary motion into:
In the systems approach to electronics, a thermistor is an example of a(n):
A key advantage of a programmable microcontroller over fixed wired logic is that it:
Which design strategy puts the needs and abilities of the user at the centre of every decision?
A major advantage of CAM in manufacturing is:
The Bauhaus design movement is best summarised by the principle that:
A tolerance of 20 mm plus or minus 0.1 mm means the part is acceptable if its size is:
Which scale of production makes a set number of identical items and then resets the equipment for a different product?
Which is the correct order of the stages of a life cycle assessment?
Inclusive design means designing products that:
Designing a product for disassembly mainly helps the environment by: